/Engine/Source/Editor/SceneOutliner/Public/SceneOutlinerFilters.h
Predicate based filter for the outliner
template<class T> struct TSceneOutlinerPredicateFilter : public [TSceneOutlinerFilter< T >](API\Editor\SceneOutliner\TSceneOutlinerFilter)
TFilterPredicat...
FilterPred
Predicate used to filter tree items
TInteractivePre...
InteractivePred